Use modern version of validator to validate Dependabot configuration …

…files

The repository infrastructure validates the project's own as well as the "asset" Dependabot configuration files against
the JSON schema. The ajv-cli validator is used to perform the validation.

Support for the JSON schema "Draft-04" specification was dropped at the 4.0.0 release of ajv-cli. This means that the
previous version (3.3.0) must be used when validating files against a JSON schema based on the "Draft 4" specification.
When working with schemas based on newer specification versions, it is preferred to use the latest version of ajv-cli in
order to benefit from the ongoing development on the tool. For this reason, two different versions of ajv-cli are used.

At the time the system for validating the Dependabot configuration files was set up, that JSON schema was based on the
"Draft-04" specification, so ajv-cli 3.3.0 was used. Since that time the schema was updated to "Draft-07" so it is now
possible to use the modern ajv-cli for this validation.

Taskfile.yml

@@ -363,24 +363,22 @@ tasks:
       DATA_PATH: ".github/dependabot.yml"
       # The asset Dependabot configuration files.
       ASSETS_DATA_PATH: "workflow-templates/assets/dependabot/**/dependabot.yml"
-      PROJECT_FOLDER:
-        sh: pwd
       WORKING_FOLDER:
         sh: task utility:mktemp-folder TEMPLATE="dependabot-validate-XXXXXXXXXX"
     cmds:
       - wget --quiet --output-document="{{.SCHEMA_PATH}}" {{.SCHEMA_URL}}
       - |
-        cd "{{.WORKING_FOLDER}}"  # Workaround for https://github.com/npm/cli/issues/3210
-        npx ajv-cli@{{.SCHEMA_DRAFT_4_AJV_CLI_VERSION}} validate \
+        npx ajv-cli validate \
           --all-errors \
+          --strict=false \
           -s "{{.SCHEMA_PATH}}" \
-          -d "{{.PROJECT_FOLDER}}/{{.DATA_PATH}}"
+          -d "{{.DATA_PATH}}"
       - |
-        cd "{{.WORKING_FOLDER}}"  # Workaround for https://github.com/npm/cli/issues/3210
-        npx ajv-cli@{{.SCHEMA_DRAFT_4_AJV_CLI_VERSION}} validate \
+        npx ajv-cli validate \
           --all-errors \
+          --strict=false \
           -s "{{.SCHEMA_PATH}}" \
-          -d "{{.PROJECT_FOLDER}}/{{.ASSETS_DATA_PATH}}"
+          -d "{{.ASSETS_DATA_PATH}}"
 
   docs:generate:
     desc: Create all generated documentation content